Free playground tools or service for developers

Codepen

The best place to build, test, and discover front-end code.

Tags: playground

Codesandbox

Where teams build faster, together. Create, share, and get feedback with collaborative sandboxes for rapid web development.

Tags: IDE, playground

Emmet Playground

Emmet is a powerful tool for expanding short CSS-like snippets of text, into code that would take longer to write by hand. Its pre-installed in every version of VS Code and Atom, and yet can easily go unnoticed

Tags: playground

Glitch

The friendly community where everyone builds the web

Tags: playground

JS Bin

A live pastebin for HTML, CSS & JavaScript and a range of processors, including SCSS, CoffeeScript, Jade and more...

Tags: playground

JSFiddle

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Tags: playground

PLAYCODE.IO

The #1 JavaScript playground and sandbox to write, run and repl it. JavaScript playground is perfect for learning and prototyping javascript sandboxes. Fast. Easy to use.

Tags: ide, playground

Plunker

Plunker is the best tool to prototype, experiment, share and debug your ideas on the web platform. From idea to implementation, Plunker helps you build something quickly and frictionlessly.

Tags: playground, web-template

RunJS

JavaScript playground that evaluates your code as you type and gives instant feedback. Handy for prototyping ideas or trying out new libraries.

Tags: playground

SQLable

A suite of free database tools offering SQL formatting, code validation, regex testing, realistic fake data generation, and interactive database playgrounds.

Tags: devtools, playground

SQLite Viewer Web App

A free online SQLite Explorer, inspired by DB Browser for SQLite and Airtable. Use this web-based SQLite Tool to quickly and easily inspect sqlite files on the web.

Tags: sql, playground

TIO

Ide online

Tags: ide, playground

Trinket

Share Code from any Device. Trinket lets you run and write code in any browser, on any device.

Tags: course-builder, teaching, playground, web-development

TypeScript Playground

The Playground lets you write TypeScript or JavaScript online in a safe and sharable way.

Tags: playground